BE508728A - - Google Patents
Info
- Publication number
- BE508728A BE508728A BE508728DA BE508728A BE 508728 A BE508728 A BE 508728A BE 508728D A BE508728D A BE 508728DA BE 508728 A BE508728 A BE 508728A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/22—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Particle Accelerators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL298349X | 1951-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE508728A true BE508728A (de) |
Family
ID=19783096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE508728D BE508728A (de) | 1951-01-27 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2768288A (de) |
| BE (1) | BE508728A (de) |
| CH (1) | CH298349A (de) |
| DE (1) | DE886021C (de) |
| FR (1) | FR1049884A (de) |
| GB (1) | GB692247A (de) |
| NL (2) | NL158843B (de) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2067048A (en) * | 1927-06-08 | 1937-01-05 | Rca Corp | Thermionic amplifier |
| US2274184A (en) * | 1940-06-12 | 1942-02-24 | Radio Patents Corp | Phase and frequency variation response circuit |
| US2261286A (en) * | 1940-07-13 | 1941-11-04 | Rca Corp | Frequency modulation detector |
| US2269687A (en) * | 1941-02-14 | 1942-01-13 | Radio Patents Corp | Frequency discriminator |
| US2368052A (en) * | 1941-04-29 | 1945-01-23 | Patents Res Corp | Electric translating system |
| BE469561A (de) * | 1942-05-06 | |||
| NL70135C (de) * | 1946-12-04 | 1952-01-15 | Philips Nv | |
| DE809672C (de) * | 1948-12-02 | 1951-08-02 | Philips Nv | Schaltung zur Demodulation einer frequenzmodulierten Schwingung |
-
0
- BE BE508728D patent/BE508728A/xx unknown
- NL NL83684D patent/NL83684C/xx active
- NL NL7416929.A patent/NL158843B/xx unknown
-
1952
- 1952-01-22 US US267573A patent/US2768288A/en not_active Expired - Lifetime
- 1952-01-23 DE DEN4998A patent/DE886021C/de not_active Expired
- 1952-01-24 GB GB1984/52A patent/GB692247A/en not_active Expired
- 1952-01-25 CH CH298349D patent/CH298349A/de unknown
- 1952-01-25 FR FR1049884D patent/FR1049884A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE886021C (de) | 1953-08-10 |
| CH298349A (de) | 1954-04-30 |
| GB692247A (en) | 1953-06-03 |
| NL158843B (nl) | |
| FR1049884A (fr) | 1954-01-04 |
| NL83684C (de) | |
| US2768288A (en) | 1956-10-23 |